> Thanks, Curtis, for the debugging technique.
> I've attached the stack trace created just as you described, except I
> used an external Java, 1.6.
> Hope this helps.
>
> --
> Harry Parker
> Senior Systems Engineer
> Digital Imaging Systems, Inc.
>
> ----- Original Message ----
> From: Curtis Rueden <
[hidden email]>
> To:
[hidden email]
> Sent: Monday, May 21, 2007 2:28:23 PM
> Subject: Re: imageJ instability?
>
> Hi Harry & Winnok,
>
> Winnok De Vos wrote:
>> I will try debug mode. Is there something else I can try?
>
> Harry Parker wrote:
>> Its not consistent, so I think its some kind of thread deadlock
>> related problem.
>
> If you are feeling investigative, one thing you can do is obtain a
> full stack trace. How to do so depends on your operating system. On
> Windows (version bundled with JRE):
>
> Click Start, All Programs, Accessories, Command Prompt. In the window,
> type:
>
> C:\Documents and Settings\curtis>cd "C:\Program Files\ImageJ"
> C:\Program Files\ImageJ>jre\bin\java -mx256m -jar ij.jar
>
> Perform the operations that cause the deadlock (if it doesn't happen,
> just close the program and try again). Then click the Command Prompt
> window and press Ctrl+Pause (for Mac and Linux, the combo is Ctrl+\).
> You should see a whole bunch of text, similar to:
>
> Full thread dump Java HotSpot(TM) Client VM (1.5.0_09-b01 mixed mode):
>
> "DestroyJavaVM" prio=6 tid=0x000354a0 nid=0xdf4 waiting on condition
> [0x00000000
> ..0x0007fae8]
>
> "SocketListener" prio=6 tid=0x16e83980 nid=0x758 runnable
> [0x1715f000..0x1715fd6
> 8]
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> ...................
>
> You can right-click, choose "Mark", select all the text, press enter,
> then paste it into an email message. This information can be useful
> for showing lines of code within ImageJ (if any) where the program is
> stuck. It can also report certain kinds of deadlocks.
>
> -Curtis
>
> On 5/21/07, Harry Parker <
[hidden email]> wrote:
>> Hi all,
>>
>> On my Windows system, the only lockup issue I've seen is when closing
>> ImageJ with 2 or more images open.
>> This happens most often after I've used one of my custom filter
>> plugins. What happens is the "Save changes to ...?" dialog comes up
>> empty (buttons but no text in window). Then I must use the task
>> manager to abort ImageJ. Its not consistent, so I think its some kind
>> of thread deadlock related problem. It doesn't happen when I'm in
>> Debug Mode. (The Heisenberg Uncertainty Principle applied to
>> software?)
>>
>> --
>> Harry Parker
>> Senior Systems Engineer
>> Digital Imaging Systems, Inc.
>>
>> ----- Original Message ----
>> From: Winnok De Vos <
[hidden email]>
>> To:
[hidden email]
>> Sent: Friday, May 18, 2007 1:43:05 PM
>> Subject: imageJ instability?
>>
>> Dear all,
>>
>> Lately I have been experiencing some stability problems with imageJ
>> which seem
>> to worsen. When I duplicate or crop a couple of images or run other
>> commands
>> that create a new window it quite often causes imageJ to crash, ie
>> the window
>> remains white and I have no other option but to close imageJ using a
>> complete
>> process closing. I have tried changing the memory settings but this
>> has no
>> influence whatsoever. I also tried reinstalling imageJ but this
>> didn't prove
>> succesfull either. Has anybody encountered such instability? How can
>> I resolve
>> this issue?
>> Many thanks in advance.
>> Kind regards,
>> winnok
>>
>> --
>> assistent prof. P. Van Oostveldt
>> Dep. Moleculaire Biotechnologie
>> Fac. Toegepaste Landbouwwetenschappen, Ugent
>> Coupure links 653
>> 9000 Gent
>> tel. (0032) 09/264.59.71
>>
>>
>>
>>
>>
>>
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>
>
>
>
>
>
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